/* * XBoing - An X11 blockout style computer game * * (c) Copyright 1993, 1994, 1995, Justin C. Kibell, All Rights Reserved * * The X Consortium, and any party obtaining a copy of these files from * the X Consortium, directly or indirectly, is granted, free of charge, a * full and unrestricted irrevocable, world-wide, paid up, royalty-free, * nonexclusive right and license to deal in this software and * documentation files (the "Software"), including without limitation the * rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons who receive * copies from any such party to do so. This license includes without * limitation a license to do the foregoing actions under any patents of * the party supplying this software to the X Consortium. * * In no event shall the author be liable to any party for direct, indirect, * special, incidental, or consequential damages arising out of the use of * this software and its documentation, even if the author has been advised * of the possibility of such damage. * * The author specifically disclaims any warranties, including, but not limited * to, the implied warranties of merchantability and fitness for a particular * purpose. The software provided hereunder is on an "AS IS" basis, and the * author has no obligation to provide maintenance, support, updates, * enhancements, or modifications. */ /* * ========================================================================= * * $Id: sfx.c,v 1.1.1.1 1994/12/16 01:36:45 jck Exp $ * $Source: /usr5/legends/jck/xb/master/xboing/sfx.c,v $ * $Revision: 1.1.1.1 $ * $Date: 1994/12/16 01:36:45 $ * * $Log: sfx.c,v $ * Revision 1.1.1.1 1994/12/16 01:36:45 jck * The XBoing distribution requires configuration management. This is why the * cvs utility is being used. This is the initial import of all source etc.. * * * ========================================================================= */ /* * Include file dependencies: */ #ifdef VMS #ifdef __DECC #ifdef __DECC_VER #if (__DECC_VER < 50200000) typedef unsigned short mode_t; #endif /* __DECC_VER < 50200000 , that is DEC C 5.0 or 5.1 */ #else /* DEC C 4.0 , __DECC_VER is not defined */ typedef unsigned short mode_t; #endif /* __DECC_VER */ #endif /* __DECC */ #endif /* VMS */ #include #include #include #include #include #include #include #include "error.h" #include "init.h" #include "stage.h" #include "score.h" #include "blocks.h" #include "ball.h" #include "main.h" #include "mess.h" #include "misc.h" #include "intro.h" #include "sfx.h" /* * Internal macro definitions: */ #define SHAKE_DELAY 5 #define NUM_SCAT 10 #define RANDY(range) (rand() % (range)) /* * Internal type declarations: */ /* * Internal variable declarations: */ static int sfxEndFrame, useSfx; int modeSfx; static int xscat[NUM_SCAT] = { 1, 9, 3, 6, 2, 4, 0, 7, 5, 8 }; static int yscat[NUM_SCAT] = { 2, 1, 0, 8, 6, 4, 9, 3, 7, 5 }; #if NeedFunctionPrototypes void useSpecialEffects(int state) #else void useSpecialEffects(state) int state; #endif { /* Set the state of the special effects - True = use */ /* Of course - if the sfx are not possible then no effect */ useSfx = state; } #if NeedFunctionPrototypes int getSpecialEffects(Display *display) #else int getSpecialEffects(display) Display *display; #endif { /* Only shake around if the server has backing store on */ if (DoesBackingStore(XDefaultScreenOfDisplay(display)) != Always) return -1; /* Return special effects state - on or off */ return useSfx; } #if NeedFunctionPrototypes void changeSfxMode(int newMode) #else void changeSfxMode(newMode) int newMode; #endif { modeSfx = newMode; } #if NeedFunctionPrototypes int currentSfxMode(void) #else int currentSfxMode() #endif { /* Return the current special effects mode */ return modeSfx; } #if NeedFunctionPrototypes static void resetEffect(Display *display) #else static void resetEffect(display) Display *display; #endif { /* Just re-centre window return */ modeSfx = SFX_NONE; XMoveWindow(display, playWindow, 35, 60); } #if NeedFunctionPrototypes int WindowBlindEffect(Display *display, Window window) #else int WindowBlindEffect(display, window) Display *display; Window window; #endif { int x, i; /* Does the user want special effects */ if (useSfx == False) { /* No - Just return out */ resetEffect(display); return False; } XSetBackground(display, gcsfx, black); /* Draw a blinds effect where little doors close over screen */ for (i = 0; i <= (PLAY_WIDTH / 8); i++) for (x = 0; x <= PLAY_WIDTH; x += (PLAY_WIDTH / 8)) XCopyArea(display, bufferWindow, window, gc, x+i, 0, 1, PLAY_HEIGHT, x+i, 0); /* End of special effect - reset off */ resetEffect(display); return False; } #if NeedFunctionPrototypes int WindowStaticEffect(Display *display, Window window, int w, int h) #else int WindowStaticEffect(display, window, w, h) Display *display; Window window; int w, h; #endif { static int start = True; if (start) { SetSfxEndFrame(frame + 50); start = False; } /* Do somehting in here */ if (frame >= sfxEndFrame) { /* End of special effect - reset off */ resetEffect(display); start = True; return False; } return True; } #if NeedFunctionPrototypes int WindowShatterEffect(Display *display, Window window) #else int WindowShatterEffect(display, window) Display *display; Window window; #endif { int offx, offy, sizeWidth, sizeHeight; int srcx, srcy, destx, desty; /* Does the user want special effects */ if (useSfx == False) { /* No - Just return out */ resetEffect(display); return False; } offx = RANDY(NUM_SCAT); offy = RANDY(NUM_SCAT); sizeWidth = 200; sizeHeight = 200; /* Spend a bit of time scattering new pixmap into view */ /* Original idea for this effect from xjewel */ for (srcx = 0; srcx < NUM_SCAT; srcx++) { for (srcy = 0; srcy < NUM_SCAT; srcy++) { for (destx = 0; destx <= 4; destx++) { for (desty = 0; desty <= 5; desty++) { XCopyArea(display, bufferWindow, window, gc, (destx * sizeWidth) + xscat[(srcx + srcy + offx) % NUM_SCAT] * (sizeWidth / NUM_SCAT), (desty * sizeHeight) + yscat[(srcy + offy) % NUM_SCAT] * (sizeHeight / NUM_SCAT), (sizeWidth / NUM_SCAT), (sizeHeight / NUM_SCAT), (destx * sizeWidth) + xscat[(srcx + srcy + offx) % NUM_SCAT] * (sizeWidth / NUM_SCAT), (desty * sizeHeight) + yscat[(srcy + offy) % NUM_SCAT] * (sizeHeight / NUM_SCAT)); } } } } /* End of special effect - reset off */ resetEffect(display); return False; } #if NeedFunctionPrototypes int WindowFadeEffect(Display *display, Window window, int w, int h) #else int WindowFadeEffect(display, window, w, h) Display *display; Window window; int w, h; #endif { static int done = False; static int first = True; int y; int x; static int i = 0; /* Does the user want special effects */ if (useSfx == False) { /* No - Just return out */ resetEffect(display); return False; } if (first == True) { first = False; XSetForeground(display, gcsfx, black); XSetBackground(display, gcsfx, black); XSetWindowBorder(display, window, red); } /* Draw vertical lines */ for (x = i; x <= w; x += 12) XDrawLine(display, window, gcsfx, x, 0, x, h); /* Draw horizontal lines */ for (y = i; y <= h; y += 12) XDrawLine(display, window, gcsfx, 0, y, w, y); /* Fill in grid slowly */ i++; if (i > 12) done = True; if (done == True) { /* End of special effect - reset off */ done = False; first = True; i = 0; resetEffect(display); return False; } /* Keep efect going please */ return True; } #if NeedFunctionPrototypes int WindowShakeEffect(Display *display, Window window) #else int WindowShakeEffect(display, window) Display *display; Window window; #endif { static int x = 35; static int y = 60; int xi, yi; /* Does the user want special effects */ if (useSfx == False) { /* No - Just return out */ resetEffect(display); return False; } /* Only shake around if the server has backing store on */ if (DoesBackingStore(XDefaultScreenOfDisplay(display)) != Always) { resetEffect(display); return False; } if (frame >= sfxEndFrame) { /* End of special effect - reset off */ resetEffect(display); return False; } if ((frame % SHAKE_DELAY) != 0) return True; XMoveWindow(display, window, x, y); XFlush(display); xi = (rand() % 6) - 3; yi = (rand() % 6) - 3; x = xi + 35; y = yi + 60; return True; } #if NeedFunctionPrototypes void SetSfxEndFrame(int endFrame) #else void SetSfxEndFrame(endFrame) int endFrame; #endif { sfxEndFrame = endFrame; } #if NeedFunctionPrototypes void BorderGlow(Display *display, Window window) #else void BorderGlow(display, window) Display *display; Window window; #endif { static int i = 0; static int d = 1; static int t = 1; /* Does the user want special effects */ if (useSfx == False) { /* No - Just return out */ return; } /* Only update every n frames */ if ((frame % 40) == 0) { /* Alternate between the red and the green ranges */ if (t > 0) XSetWindowBorder(display, playWindow, reds[i]); else XSetWindowBorder(display, playWindow, greens[i]); /* Ok change range or fade down again */ if (i == 6) { d = -1; t *= -1; } if (i == 0) d = 1; /* Next range index */ i += d; } } #if NeedFunctionPrototypes void ResetBorderGlow(Display *display, Window window) #else void ResetBorderGlow(display, window) Display *display; Window window; #endif { XSetWindowBorder(display, playWindow, red); } #if NeedFunctionPrototypes void FadeAwayArea(Display *display, Window window, int x, int y, int w, int h) #else void FadeAwayArea(display, window, x, y, w, h) Display *display; Window window; int x, y, w, h; #endif { int i, x1, y1, step; step = w / 15; /* Fade away an area slowly so it looks good */ for (i = 0; i <= step; i++) { /* Draw vertical lines */ for (x1 = i; x1 <= w; x1 += 15) XClearArea(display, window, x + x1, y, 1, h, False); /* Draw horizontal lines */ for (y1 = i; y1 <= h; y1 += 15) XClearArea(display, window, x, y + y1, w, 1, False); } }